[ADD] port security reference doc
[ADD] openerp.http reference doc

* fix some docstrings so they can be autodoc'd
* intersphinx mapping (and links to) werkzeug and python
[ADD] web client tutorial/training

needs fixes, and corresponding web client reference
[FIX] http.py: session id is `sid` attribute
Merge pull request #12 from odoo/8.0

8.0